araosnscamacho araosnscamacho

05-03-2017
Mathematics

contestada

Use an equation to solve the problem.

The difference between a number and 4 times that number is -21. What is the number?

Respuesta :

captainluna captainluna

05-03-2017

n being the number, n-4=-21. n=-17

Answer Link

05-03-2017

We'll call the number 'x' for now.

So the difference between x and 4 times x (4x) is -21.

x - 4x = -21

-3x = -21

x = -21 / -3

x = 7.

The number is 7.

Answer Link

Otras preguntas

Help on this please it's urgent

help me. help me please

Write about one such heritage site in your community which has not been included in world heritage site

i really need help with these question

Which of the following is the main cause of increased burning of fossil fuels? 1) advancements in technology 2) economic and population growth 3) new types of

What is cytoplasm? What is the division of the cytoplasm called?.

What is the enlightenment? list and describe two examples of how the world changed because of the enlightenment.

halp again u-u apparently my thing was too short so um yeah anyways-

Which element of the third period had the highest first ionization energy? •silicon •sulfur •argon •sodium

What is the wavelength of a radar signal that has a frequency of 27 GHz? The speed of light is 3 × 108 m/s. Answer in units of m.

Q&A Education